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NAME

       pgmramp - generate a grayscale ramp

SYNOPSIS

       pgmramp -lr|-tb | -rectangle|-ellipse width height

DESCRIPTION

       Generates  a  graymap of the specified size containing a black-to-white ramp.  These ramps
       are useful for multiplying with other images, using the pnmarith tool.

OPTIONS

       -lr    A left to right ramp.

       -tb    A top to bottom ramp.

       -rectangle
              A rectangular ramp.

       -ellipse
              An elliptical ramp.

       All flags can be abbreviated to their shortest unique prefix.

SEE ALSO

       pnmarith(1), pgm(5)

AUTHOR

       Copyright (C) 1989 by Jef Poskanzer.

                                         24 November 1989                              pgmramp(1)